140001424144 has 20 divisors (see below), whose sum is σ = 274968552796. Its totient is φ = 69041797632.

The previous prime is 140001424103. The next prime is 140001424169. The reversal of 140001424144 is 441424100041.

It can be written as a sum of positive squares in 2 ways, for example, as 95654118400 + 44347305744 = 309280^2 + 210588^2 .

It is a super-2 number, since 2×140001424144² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59930949 + ... + 59933284.

Almost surely, 2^140001424144 is an apocalyptic number.

It is an amenable number.

140001424144 is a deficient number, since it is larger than the sum of its proper divisors (134967128652).

140001424144 is a wasteful number, since it uses less digits than its factorization.

140001424144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119864314 (or 119864308 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 140001424144 its reverse (441424100041), we get a palindrome (581425524185).

The spelling of 140001424144 in words is "one hundred forty billion, one million, four hundred twenty-four thousand, one hundred forty-four".